*{box-sizing:border-box}#app,body,html{height:100%;margin:0;font-family:Helvetica Neue,Helvetica,PingFang SC,Microsoft YaHei,Arial,sans-serif;background:#f0f2f5}.login-page{min-height:100vh;background:linear-gradient(135deg,#1a3a5c,#1890ff);display:flex;align-items:center;justify-content:center}.login-card{width:450px;padding:40px;background:#fff;border-radius:16px;box-shadow:0 25px 50px -12px rgba(0,0,0,.25)}.login-logo{width:64px;height:64px;margin:0 auto 16px;background:#e6f7ff;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#1890ff}.login-title{text-align:center;font-size:24px;font-weight:700;color:#1f2937;margin:0}.login-subtitle{text-align:center;color:#6b7280;margin:8px 0 32px}.admin-layout{display:flex;height:100vh;overflow:hidden}.admin-sidebar{width:256px;flex-shrink:0;background:#1a3a5c;display:flex;flex-direction:column;transition:width .3s}.admin-sidebar.collapsed{width:80px}.admin-sidebar.collapsed .logo-text,.admin-sidebar.collapsed .menu-title,.admin-sidebar.collapsed .user-meta{display:none}.sidebar-logo{height:64px;display:flex;align-items:center;padding:0 24px;background:#162d48;color:#fff;font-size:18px;font-weight:700}.sidebar-logo i{font-size:28px;color:#60a5fa;margin-right:12px}.sidebar-menu{flex:1;overflow-y:auto;padding:16px 12px}.sidebar-menu .el-menu{border:none;background:transparent}.sidebar-menu .menu-item{display:flex;align-items:center;padding:12px 16px;margin-bottom:4px;border-radius:8px;color:#d1d5db;cursor:pointer;transition:all .2s;text-decoration:none}.sidebar-menu .menu-item i{font-size:20px;margin-right:12px;width:20px;text-align:center}.sidebar-menu .menu-item:hover{background:#234b75;color:#fff}.sidebar-menu .menu-item.active{background:#1890ff;color:#fff}.sidebar-user{padding:16px;border-top:1px solid #234b75}.sidebar-user .user-card{background:#162d48;border-radius:8px;padding:12px;display:flex;align-items:center;gap:12px}.sidebar-user .user-avatar{width:40px;height:40px;border-radius:50%;background:#1890ff;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.sidebar-user .user-name{color:#fff;font-size:14px;font-weight:500}.sidebar-user .user-email{color:#9ca3af;font-size:12px}.admin-main{flex:1;display:flex;flex-direction:column;min-width:0}.admin-header{height:64px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0}.admin-content{flex:1;overflow-y:auto;padding:24px;background:#f0f2f5}.page-title{font-size:20px;font-weight:700;color:#1f2937;margin:0 0 20px}.panel-card{background:#fff;border-radius:16px;border:1px solid #f3f4f6;box-shadow:0 1px 2px rgba(0,0,0,.05);margin-bottom:24px}.panel-card-header{padding:16px 20px;border-bottom:1px solid #f9fafb;font-weight:700;color:#1f2937}.panel-card-body{padding:20px}.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:24px}@media(max-width:1200px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.stat-card{background:#fff;border-radius:16px;border:1px solid #f3f4f6;padding:24px;display:flex;align-items:center;gap:16px;box-shadow:0 1px 2px rgba(0,0,0,.05)}.stat-card .stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}.stat-card .stat-label{font-size:14px;color:#6b7280;margin:0}.stat-card .stat-value{font-size:28px;font-weight:700;color:#1f2937;margin:4px 0 0}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}.category-card{background:#fff;border-radius:16px;border:1px solid #f3f4f6;padding:24px;transition:box-shadow .2s}.category-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.08)}.chart-box{height:350px}.text-link{color:#1890ff;cursor:pointer}.text-link:hover{text-decoration:underline}.el-button--primary{background-color:#1890ff;border-color:#1890ff}.el-button--primary:focus,.el-button--primary:hover{background-color:#0070e0;border-color:#0070e0}